Fix missing #include in wiced_resource.h

The `CY_PRAGMA` macro is used in certain build scenarios with IAR,
but it is not defined without including "cy_syslib.h"

Author: Kyle Kearney

targets/TARGET_Cypress/TARGET_PSOC6/COMPONENT_WHD/resources/resource_imp/wiced_resource.h

@@ -34,6 +34,7 @@
 #define INCLUDED_RESOURCE_H_
 
 #include <stdint.h>
+#include "cy_syslib.h"
 
 #ifdef __cplusplus
 extern "C" {